From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.bugs Subject: bug#19980: master: `Backtrace after malloc arena is corrupted` causes segfault during build Date: Sun, 01 Mar 2015 19:38:16 -0800 Message-ID: <54F3DB28.90402@dancol.org> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="JHJ1qvKLFxAot1coWWkgCpPXtF04JX5Pt" X-Trace: ger.gmane.org 1425267571 20750 80.91.229.3 (2 Mar 2015 03:39:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 2 Mar 2015 03:39:31 +0000 (UTC) To: Eric Hanchrow , 19980@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 02 04:39:11 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YSHCI-0007eA-EC for geb-bug-gnu-emacs@m.gmane.org; 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Original-Received: from [2620:10d:c081:1100:8000::215d] by dancol.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84) (envelope-from ) id 1YSHBW-00059w-RS; Sun, 01 Mar 2015 19:38:22 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:99945 Archived-At: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --JHJ1qvKLFxAot1coWWkgCpPXtF04JX5Pt Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 03/01/2015 07:28 PM, Eric Hanchrow wrote: > Program received signal SIGSEGV, Segmentation fault. > __GI___backtrace (array=3Darray@entry=3D0xbfffedcc, size=3Dsize@entry=3D= 0) at > ../sysdeps/i386/backtrace.c:141 > 141../sysdeps/i386/backtrace.c: No such file or directory. > (gdb) bt > #0 __GI___backtrace (array=3Darray@entry=3D0xbfffedcc, size=3Dsize@ent= ry=3D0) > at ../sysdeps/i386/backtrace.c:141 > #1 0x080ed543 in emacs_backtrace > (backtrace_limit=3Dbacktrace_limit@entry=3D-1) at sysdep.c:2177 > #2 0x0804f744 in main (argc=3D, argv=3D0xbffff6d4) at > emacs.c:887 > (gdb)=20 So we're crashing inside glibc's backtrace? Between this crash and the bug that commit b74db6347cf5cac1ebd4c604fd5691c588fd8e32 is trying to work around, maybe we should link against libunwind instead of using the system backtrace. --JHJ1qvKLFxAot1coWWkgCpPXtF04JX5Pt Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJU89soAAoJEN4WImmbpWBlhsUP/j/NHOtuxRHWvecv8hEQpmiT 8VmDGuHfl8QLOVvnExtUju4wPCDqvuyliBEHBwWt86WHN1ocKJJvimRjsqCwu1zm PwxLJDNIfvdo3qYnq0d17KN/UJ8hmiCRgVWtVq6PWXYCQM1bPVNNHkP/CAHTb6Kr 7Qjx1vM95fiTuZlwWmiLTzmbGYnmzxVMeYsEnsmearpscfxc2J/d3a4WpCB40oPR O3wgJ16ilNbJbM4ibu/xS4B8pHPR6TbeRAvpYEF1NE0RCCKxHy5gnDLZkNmx3i/m NxYS+woSGgOpfKz4oGHaz1dJs21qb9jVX7/Mk+yhgcnamGeX9xd61ClzrysVxiDz JF+4Fh+qdpkqwd+ly0eyFdtwFs5HP2st+qRWwIPpHQ1ezcIKiPOZowAtc4g1dbQ6 ir+WM3AL/+bRR3Kb3kAY2xf+CVbBEmcqxoibqp4lhjOpVwD979AuU47PfN7py1uy fSq1hkQqJgu7lKwH+3LdkBfWhK3Jv2qpmNIWmBqk/1LjdXL73agteY8NRoCy+stC LGEQzFtzeck+hsUL7imFZd8AGnLr69rRbnHI8lZ63XKn6VkLJRylJfGCuGeENZa3 VYgoiglFEXtWwktQi4nwHACv+AWMToi01unP92QZ5wWWR029nF+pngX79XnMdh3U +B/4fpwbhfcrRSw30W6y =9WT0 -----END PGP SIGNATURE----- --JHJ1qvKLFxAot1coWWkgCpPXtF04JX5Pt--